What does the +0.25mm size mean for these bearings?

The +0.25mm designation means these bearings are designed to fit crankshaft journals that have been machined down by 0.25mm. This is a common step during engine rebuilding to ensure a fresh bearing surface.

What type of engine is this bearing set best suited for?

These bearings are ideal for medium-load engines. Their lead-free composite and bi-metal aluminum construction are designed for this type of application.

Are these bearings environmentally friendly?

Yes, the bearings feature a lead-free composite material, making them an environmentally safe option.

Specifications

Brand: King Engine Bearings
Part #: CR4255SI0.25
UPC: 611500441516

King Engine Bearings G.M.C. /Quard 4 1996/Up (Size +0.25mm) Connecting Rod Bearing Set

Name: King Engine Bearings G.M.C. /Quard 4 1996/Up (Size +0.25mm) Connecting Rod Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-g-m-c-quard-4-1996-up-size-0-25mm-conn-t14-769676
Price: 31.45 USD
Availability: BackOrder

$31.45

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King Engine Bearings connecting rod bearing set. Features lead-free composite and bi-metal aluminum material for medium-load engines.

Key Features

Fits a range of 1996 and up GM vehicles.
This is a +0.25mm undersize bearing set.
Features a lead-free, environmentally safe composite construction.
Built with a bi-metal aluminum material.
Ideal for medium-load engines.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

King Engine Bearings has been a specialist in engine bearings since 1960, focused on supplying the highest quality parts. This connecting rod bearing set, part number CR4255SI0.25, is designed for medium-load engines and is built with a bi-metal aluminum material. It's a lead-free composite that's environmentally safe, making it a solid choice for many rebuilds.

This set is specifically sized at +0.25mm, meaning it's intended for use when the crankshaft journals have been machined down by 0.25mm. This is a common practice during engine overhauls to ensure a fresh, perfectly sized bearing surface. These bearings are a popular option for a range of GM vehicles from 1996 and up, including models like the Chevrolet Cavalier, Pontiac Grand Am, and Buick Skylark.